Portable cooler for perishable substances



FIG. 1 is a perspective view of a portable cooler for perishable substances showing my new design therefor. The cooler is shown with a lid in an open position and with one of the coolant packs partially displaced in an upward position to show the design of the coolant pack and coolant pack locking channels;

FIG. 2 is a top plan view thereof showing the lid fully opened showing my new design;

FIG. 3 is a front elevational view thereof when the lid is closed;

FIG. 4 is a left side elevational view thereof when the lid is closed;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof when the lid is closed;

FIG. 7 is a right side elevational view thereof when the lid is closed;

FIG. 8 is a top plan view thereof when the lid is closed; and,

FIG. 9 is a cross-section of a rear elevational view thereof when the lid is closed, to better show the design of the cooling packs when fully inserted and locked into place by channels and lid. 

The ornamental design for a portable cooler for perishable substances, as shown and described. 